function kos_out(objID) {
	var kos = document.getElementById(objID);
	
	kos.src='slike_png/bttn_kupi.png';
}
function kos_down(objID, cij) {
	var kos = document.getElementById(objID);
	var kol = document.getElementById("k" + objID);
	var objIDBr

	kos.src='slike_png/bttn_kupi2.png';

	var kos_sum = document.forma.suma.value;
	if (kos_sum != "") {
		kos_sum = format_u_br(kos_sum);
	}
	var kol_ukupno = document.forma.kolicinaukupno.value;
	if (kol_ukupno != "") {
		kol_ukupno = format_u_br(kol_ukupno);
	}
	
	kol.value = kol.value.replace(",", ".");
	objIDBr = objID.replace("ak", "");
	
	if ((kol.value == 0) || (isNaN(kol.value))) {
		alert("Količina mora biti upisana i mora biti brojčana vrijednost !");
	} else {
		kol.value = Number(kol.value);
		kol.value = Math.round(kol.value);
		cij = format_u_br(cij);
		
		document.forma.kosarica.value += objIDBr + ";";
		document.forma.kolicina.value += kol.value + ";";
		
		kos_sum += kol.value*cij;
		kos_sum = zaokruzi(kos_sum);
		kos_sum = format_u_str(kos_sum);
		document.forma.suma.value = kos_sum;
		
		kol_ukupno += format_u_br(kol.value);
		document.forma.kolicinaukupno.value = kol_ukupno;
	}
	
	//mytime=setTimeout('izmjena(' + objID + ')',500)
}
function izmjena(objID2) {
	var kos = document.getElementById(objID2);
	
	kos.src='slike_png/bttn_kupi.png';
}
function kos_out2(objID) {
	var kos = document.getElementById(objID);
	
	kos.src='slike_png/kosarica.png';
}
function kos_down2(objID, cij) {
	var kos = document.getElementById(objID);
	var kol = document.getElementById("k" + objID);

	kos.src='slike_png/kosarica2.png';

	var kos_sum = document.forma.suma.value;
	if (kos_sum != "") {
		kos_sum = format_u_br(kos_sum);
	}
	var kol_ukupno = document.forma.kolicinaukupno.value;
	if (kol_ukupno != "") {
		kol_ukupno = format_u_br(kol_ukupno);
	}
	
	kol.value = kol.value.replace(",", ".");
	
	if ((kol.value == 0) || (isNaN(kol.value))) {
		alert("Količina mora biti upisana i mora biti brojčana vrijednost !");
	} else {
		kol.value = Number(kol.value);
		kol.value = Math.round(kol.value);
		cij = format_u_br(cij);
		
		document.forma.kosarica.value += objID + ";";
		document.forma.kolicina.value += kol.value + ";";
		
		kos_sum += kol.value*cij;
		kos_sum = zaokruzi(kos_sum);
		kos_sum = format_u_str(kos_sum);
		document.forma.suma.value = kos_sum;
		
		kol_ukupno += format_u_br(kol.value);
		document.forma.kolicinaukupno.value = kol_ukupno;
	}
	
	mytime=setTimeout('izmjena2(' + objID + ')',500)
}
function izmjena2(objID2) {
	var kos = document.getElementById(objID2);
	
	kos.src='slike_png/kosarica.png';
}

function ukloni_down(obj) {
	obj.src='slike_png/kosarica_obrisi2.png';
}

function n_link(objID, lnk, gr, tr, st, d) {
	var t_link;

	t_link = document.getElementById(objID);
	if (document.forma.kosarica.value != "") {	
		t_link.href = lnk + "?dy=" + d + "&g=" + gr + "&t=" + tr + "&st=" + st + "&k=" + document.forma.kosarica.value + "&kc=" + document.forma.kolicina.value;
	} else {
		t_link.href = lnk + "?dy=" + d + "&g=" + gr + "&t=" + tr + "&st=" + st;
	}
}

function n_link_g(objID, lnk, gr, d) {
	var t_link;

	t_link = document.getElementById(objID);
	if (document.forma.kosarica.value != "") {	
		t_link.href = lnk + "?dy=" + d + "&g=" + gr + "&k=" + document.forma.kosarica.value + "&kc=" + document.forma.kolicina.value;
	} else {
		t_link.href = lnk + "?dy=" + d + "&g=" + gr;
	}
}

function n_link_g_st(objID, lnk, gr, st, d) {
	var t_link;

	t_link = document.getElementById(objID);
	if (document.forma.kosarica.value != "") {	
		t_link.href = lnk + "?dy=" + d + "&g=" + gr + "&st=" + st + "&k=" + document.forma.kosarica.value + "&kc=" + document.forma.kolicina.value;
	} else {
		t_link.href = lnk + "?dy=" + d + "&g=" + gr + "&st=" + st;
	}
}

function n_link_a(objID, lnk, ar, g, st, d) {
	var t_link;

	t_link = document.getElementById(objID);
	if (document.forma.kosarica.value != "") {	
		t_link.href = lnk + "?dy=" + d + "&art=" + ar + "&g=" + g + "&st=" + st + "&k=" + document.forma.kosarica.value + "&kc=" + document.forma.kolicina.value;
	} else {
		t_link.href = lnk + "?dy=" + d + "&art=" + ar + "&g=" + g + "&st=" + st;
	}
}

function n_link_nav(objID, lnk) {
	var t_link;

	t_link = document.getElementById(objID);
	if (document.forma.kosarica.value != "") {	
		t_link.href = lnk + "?k=" + document.forma.kosarica.value + "&kc=" + document.forma.kolicina.value;
	} else {
		t_link.href = lnk;
	}
}

function n_link_nav_home(objID, lnk) {
	var t_link;

	t_link = document.getElementById(objID);
	if (document.forma.kosarica.value != "") {	
		t_link.href = lnk + "index.php?k=" + document.forma.kosarica.value + "&kc=" + document.forma.kolicina.value;
	} else {
		t_link.href = lnk;
	}
}

function n_link_nav_gs(objID, lnk) {
	var t_link;

	t_link = document.getElementById(objID);
	if (document.forma.kosarica.value != "") {	
		t_link.href = lnk + "&k=" + document.forma.kosarica.value + "&kc=" + document.forma.kolicina.value;
	} else {
		t_link.href = lnk;
	}
}

function n_link_nav_st(objID, lnk, st) {
	var t_link;

	t_link = document.getElementById(objID);
	if (document.forma.kosarica.value != "") {	
		t_link.href = lnk + "?st=" + st + "&k=" + document.forma.kosarica.value + "&kc=" + document.forma.kolicina.value;
	} else {
		t_link.href = lnk + "?st=" + st;
	}
}

function n_link_t(objID, lnk) {
	var t_link;

	t_link = document.getElementById(objID);
	t_txttrazilica = document.getElementById('txttrazilica');
	if (document.forma.kosarica.value != "") {	
		t_link.href = lnk + "?t=" + t_txttrazilica.value + "&k=" + document.forma.kosarica.value + "&kc=" + document.forma.kolicina.value;
	} else {
		t_link.href = lnk + "?t=" + t_txttrazilica.value;
		
	}
}

function n_link_n(objID, lnk) {
	var t_link;

	t_link = document.getElementById(objID);
	t_newsletter = document.getElementById('e_mail_newsletter');
	
	if ((t_newsletter.value.indexOf("@") == -1) || (t_newsletter.value.indexOf(".") == -1)) {
		alert("Upišite pravilno e-mail !");
		t_newsletter.focus();
	} else {
		if (document.forma.kosarica.value != "") {	
			t_link.href = lnk + "?m=" + t_newsletter.value + "&k=" + document.forma.kosarica.value + "&kc=" + document.forma.kolicina.value;
		} else {
			t_link.href = lnk + "?m=" + t_newsletter.value;
		}
	}
}

function napuni_kol() {
	kol_a=new Array ();
	var kosID = "";
	var kolID = "";
	var kolOBJ;
	var ia = 0;
	var ja = 0;
	
	if (document.forma.parkolicina.value != "") {
		for (j = 0; j <= (document.forma.parkolicina.value.length - 1); j++) {
			if (document.forma.parkolicina.value.substr(j, 1) != ";") {
				kolID += (document.forma.parkolicina.value.substr(j, 1));
			} else {
				ja++;
				kol_a[ja]=kolID;
				kolID = "";
			}
		}
	}

	if (document.forma.parkosarica.value != "") {
		for (i = 0; i <= (document.forma.parkosarica.value.length - 1); i++) {
			if (document.forma.parkosarica.value.substr(i, 1) != ";") {
				kosID += (document.forma.parkosarica.value.substr(i, 1));
			} else {
				kolOBJ = document.getElementById("k" + kosID);
				ia++;
				if (kolOBJ != null) {
					if (kolOBJ.value != "") {
						//kolOBJ.value = Number(kolOBJ.value) + Number(kol_a[ia]);
						//novo za kt dizajn
						kolOBJ.value = Number(kolOBJ.value) + Number(kol_a[ia] - 1);
					} else {
						kolOBJ.value = kol_a[ia];
					}
				}
				kosID = "";
			}
		}
	}
}

function zaokruzi(x) {
	var y = "";
	var z = "";
	if ((x == 0) || (x == "")) {
		z = "0.00";
	} else {
		x=x*100;
		x=Math.round(x);
		y = String(x);
		z = y.substr(0, (y.length - 2)) + "." + y.substr((y.length - 2), 2);
	}
	return z;
}

function format_u_str(x) {
	var z = "";

	z = x.replace(".", ",");
	if (z.length > 9) {
		z = z.substr(0, z.length - 9) + "." + z.substr(z.length - 6, 3) + "." + z.substr(z.length - 6, 6);
	} else if (z.length > 6) {
		z = z.substr(0, z.length - 6) + "." + z.substr(z.length - 6, 6);
	}
	
	return z;
}

function format_u_br(x) {
	var z = "";

	z = x.replace(".", "");
	z = z.replace(",", ".");
	z = Number(z);
	
	return z;
}

function format_kol(x) {
	var z = "";

	z = x.replace(".", "");
	z = z.replace(",", ".");
	z = Number(z);
	z = Math.round(z);
	
	return z;
}

function upis_kosarica() {
	if (document.forma.suma.value == "0,00") {
		alert("U košarici nema artikala !");
	} else {
		document.forma.submit();
	}
}